/*
 *  ACM Timus Contest, 15 Aprilie 2004
 *  Problem X - 
 */

#include <stdio.h>


#define input "file.in"
#define output "file.out"


void readdata()
{
	freopen(input, "r", stdin);
}

void solve()
{
	freopen(output, "w", stdout);
}

int main()
{
	readdata();
	solve();

	return 0;
}
